Home / 15,456.68-23,189.35-5,075.72

Finding the Fourth Proportional to 15,456.68, 23,189.35 and 5,075.72

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Solution

The fourth proportional to 15,456.68, 23,189.35 and 5,075.72 is: 7,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.68 : 23,189.35 = 5,075.72 : x
  2. Step 2: Convert to fraction form
    15,456.68/23,189.35 = 5,075.72/x
  3. Step 3: Cross multiply
    15,456.68x = 23,189.35 × 5,075.72
  4. Step 4: Simplify right side
    15,456.68x = 117,702,647.58
  5. Step 5: Solve for x
    x = 117,702,647.58/15,456.68
  6. Step 6: Final answer
    x = 7,615.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.